The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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There are 20 feet of blood vessels in each square inch of human skin.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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There are 60,000 miles of blood vessels in every adult human.
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Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.
The endosymbiosis theory
The developed countries must reduce the level of greenhouse gas emissions
Life Expectancy in Developed Countries
General Characteristics of Muscular Tissue
The structure of a single developed neuron
Algebraically determine the general solution, in degrees, of the equation below.